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Electrical flow heaters

ELMESS flow heaters are used for heating liquids and gases. They are manufactured to customer specifications in explosion-protected design  (ATEX, IECEx, etc.) or in high-quality industrial design.

  • Oil heating (lube oil, fuel oil, thermal oil)
  • Water heating (industrial heating systems)
  • Natural gas, seal gas, fuel gas heating
  • Heating of  process gases and industrial gases)
  • Air heating (pressurized air, burner air, drying technology)
  • Environmental technology (exhaust air cleaning, catalytic after burning)
  • Steam generator, steam super heater (industrial process technology)


Selection of material results under consideration of operation data as well as customers's requirements.
Carbon steel, painted, stainless steel and special materials.

Technical data:

Rated power:Ex d up to 300 kW, other up to appr. 2 MW
Rated voltage:230 ... 690 V
Nominal width:DN 40 ... DN 1200
Nominal pressure:  PN 16 ... PN 100
Installation length:ca. 400 ... 3000 mm

All heaters are designed and manufactured according to the individual requirements of our customers.

Design Codes and Inspections
Design, Manufacturing and Inspection according to European
Pressure Equipment Directive (PED, 2014/68/EU), ASME code or other
international standards.

Design according to AD2000, ASME or other codes
Inspection: Manufacturer's inspection, TUeV, LR, RINA, SELO or
other third parties; individual inspedion by classification organisations such as DNV, BV, LR, ABS, GLC or others;
ASME design with or without U-stamp

Explosion protected devices are supplied with EC type examination certificate (according to ATEX directive 2014/34/EU) and IECEx certificates are also available s.
The complete documentation including all certificates is part of the

Complete Systems

Complete systems, including heater and control panel from one single source, guarantee reliable and safe function.